【導(dǎo)讀】管道、戶(hù)內(nèi)安裝及其他附屬工程，供氣規(guī)模萬(wàn)立方米/年，中國(guó)XXXX集團(tuán)有限公司提供的有關(guān)技術(shù)資料；的原則，并為今后的發(fā)展適當(dāng)留有余地，在保證近期工程建設(shè)的同時(shí)，考慮遠(yuǎn)期發(fā)展的需要，使工程建設(shè)投資合理。2．系統(tǒng)的設(shè)置應(yīng)確保供氣和用氣安全可靠，運(yùn)行管理方便。XX縣目前有一家燃?xì)夤尽猉XXX燃?xì)庥邢薰?。理一次續(xù)簽手續(xù)。公司于2020年4月25日與沾化人民政府簽署了《XX. 營(yíng)民用及工業(yè)管道燃?xì)獾钠髽I(yè)，授權(quán)經(jīng)營(yíng)期限為50年。人投資組建的股份制企業(yè)，資金來(lái)源均為股東集資。現(xiàn)土地暫采用租賃方式，縣政府承諾該地塊。公司已建設(shè)完成辦公樓一幢，約1750平方米，現(xiàn)已投入使用，招租過(guò)程中，待土地證辦理完畢，可以出售。設(shè)，干網(wǎng)管徑主要為Φ250、Φ200、Φ160三種，設(shè)計(jì)壓力為。方米/天，875萬(wàn)立方米/年。例，有利于提高人民的生活水平質(zhì)量和環(huán)境質(zhì)量。縣境域?qū)儆隰斘鞅睕_積平原。地勢(shì)西南高，東北低，灘涂以上海

　　

【正文】 .......................................... 3 XX縣 管道燃?xì)猱a(chǎn)業(yè)現(xiàn)狀 ..................................................................................................... 3 XXXX 燃?xì)庥邢薰净窘ㄔO(shè)狀況 ..................................................................................... 3 建設(shè)的必要性 ....................................................................................................................... 5 編制范圍和內(nèi)容 ........................................................................................................................... 5 2 城市概況 ................................................................................................................................................. 7 地理位置 ........................................................................................................................................ 7 自然條件 ........................................................................................................................................ 7 歷史沿革 ........................................................................................................................................ 9 社會(huì)經(jīng)濟(jì) ......................................................................................................................................10 3 氣 源 ...................................................................................................................................................10 氣源分析 ...................................................................................................................................... 11 氣源確定 ......................................................................................................................................13 天然氣物化參數(shù) .........................................................................................................................14 4 用氣市場(chǎng) ...............................................................................................................................................15 燃?xì)馐袌?chǎng)需求調(diào)查與分析 .........................................................................................................15 供氣原則、供氣范圍 .................................................................................................................15 供氣原則 .............................................................................................................................15 供氣范圍及對(duì)象 .................................................................................................................16 用氣量測(cè)算 ..................................................................................................................................16 測(cè)算指標(biāo)： .........................................................................................................................16 用氣量 .................................................................................................................................17 5 高壓天然氣管道 ..................................................................................................................................20 設(shè)計(jì)壓力及輸送能力 .................................................................................................................20 管材與防腐 ..................................................................................................................................20 管材 ......................................................................................................................................20 防腐 ......................................................................................................................................20 管道敷設(shè) ......................................................................................................................................21 管道焊接 ......................................................................................................................................21 管道電法保護(hù) ..............................................................................................................................21 管道壁厚計(jì)算 ..............................................................................................................................21 儲(chǔ)氣 ..............................................................................................................................................23 6 城區(qū)輸配系統(tǒng) ......................................................................................................................................24 管網(wǎng)壓力級(jí)制的確定 .................................................................................................................24 設(shè)計(jì)依據(jù) .............................................................................................................................24 壓力級(jí)制的確定 .................................................................................................................24 A ................................................................................................................................................24 管網(wǎng)布置 ......................................................................................................................................25 中壓管網(wǎng)布置原則 .............................................................................................................25 中壓管道走向 .....................................................................................................................25 中壓管網(wǎng)管徑及長(zhǎng)度的確定 ............................................................................................26 管材選擇與防腐 .........................................................................................................................26 管材選擇 .............................................................................................................................26 防腐工程 .............................................................................................